After looking on this forum and tried different methods, i am stuck with a fault code 16891 high revs. I recently replaced the manifold pressure sensor and ecu reset with the negative battery cable unplugged for 40-45 mins, reconnecting and idling the engine for a further 30 mins. I checked there were no fault codes, none where found. started the engine again, revs were normal but when i touched the accelerator and released, the revs were over 1000 and fluctuated. i turned the engine off and restarted, revs were normal. hope someone could enlighten me with this please.
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